Patent US3351047A successfully refreshed from Google Patents.
US3351047A
Expired / Lapsed
US
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Apparatus for repetitive application of a controlled force
Assignee: Individual
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Filing: 1965-03-09
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Granted: 1967-11-07
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:17
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/341; B23Q11/00; B23Q11/001; B25; B25H; B25H1/00; B25H1/0021; B25H1/0042; Y; Y10; Y10T; Y10T408/00; Y10T408/23; Y10T408/65; Y10T408/675; Y10T408/91; Y10T408/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN APPARATUS FOR REPETITIVE APPLICATION OF CONTROLLED FORCE, WHICH APPARATUS IS CHARACTERIZED BY A COMBINATION HAVING: (A) A VERTICALLY MOVING ELEMENT HAVING A WEIGHT W, THE SAID ELEMENT BEING CONSTRAINED TO LINEAL MOTION, (B) A COUNTERWEIGHT OF WEIGHT C WHERE C IS GREATER THAN W, (C) PULL UP MOVING MEANS OPERATIVELY CONNECTING THE COUNTERWEIGHT TO THE VERTICALLY MOVING ELEMENT TO TEND TO MOVE THE LATTER UPWARDS, (D) PULL DOWN MOVING MEANS OPERATIVELY CONNECTING THE COUNTERWEIGHT TO THE VERTICALLY MOVING ELEMENT TO TEND TO MOVE THE LATTER DOWNWARDS, (E) MEANS PERIODICALLY TO ALTER THE EFFECT LENGTH OF ONE SAID MOVING MEANS, (F) AND RESILIENT REGULATING MEANS FORMING AN OPERATIVE PART OF A SAID MOVING MEANS.
Claim 2
Independent Claim
114 words
AN APPARATUS FOR REPETITIVE APPLICATION OF CONTROLLED FORCE, WHICH APPARATUS IS CHARACTERIZED BY A COMBINATION HAVING: (A) A VERTICALLY MOVING ELEMENT HAVING A WEIGHT W, THE SAID ELEMENT BEING CONSTRAINED TO LINEAL MOTION, (B) A COUNTERWEIGHT OF WEIGHT C WHERE C IS GREATER THAN W, (C) PULL UP MOVING MEANS OPERATIVELY CONNECTING THE COUNTERWEIGHT TO THE VERTICALLY MOVING ELEMENT TO TEND TO MOVE THE LATTER UPWARDS, (D) PULL DOWN MOVING MEANS OPERATIVELY CONNECTING THE COUNTERWEIGHT TO THE VERTICALLY MOVING ELEMENT TO TEND TO MOVE THE LATTER DOWNWARDS, (E) MEANS PERIODICALLY TO ALTER THE EFFECT LENGTH OF ONE SAID MOVING MEANS, (F) AND RESILIENT REGULATING MEANS FORMING AN OPERATIVE PART OF A SAID MOVING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |